<template>
  <view class="cart-container" v-if="cart.length!== 0">
    <my-address></my-address>
    <!-- 购物车的标题区域 -->
    <view class="cart-title">
      <!-- 左侧的图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 描述文本 -->
      <text class="cart-title-text">购物车</text>
    </view>
      <!-- 商品列表区域 -->
      <uni-swipe-action>
       <block v-for="(item,i) in cart" :key="i">
          <uni-swipe-action-item :right-options="options" @click="swipeActionClickHandler(item)">
            <my-goods 
            @radio-change="radioChangeHandler" 
            @num-change="numberChangeHandler"
            :showNum="true" 
            :showRadio="true" 
            :goods="item"></my-goods>
            </uni-swipe-action-item>
        </block>
      </uni-swipe-action>
      <!-- 结算区域 -->
      <my-settle></my-settle>
  </view>
  <!-- 空白购物车区域 -->
  <view class="empty-cart" v-else>
    <image src="/static/logo.png" class="empty-img"></image>
    <text class="tip-text">空空如也~</text>
  </view>
</template>

<script>
  import {mapState,mapMutations} from 'vuex'
  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    mixins:[badgeMix],
    data() {
      return {
        options: [{
            text: '删除', // 显示的文本内容
            style: {
              backgroundColor: '#C00000' // 按钮的背景颜色
            }
          }]
      };
    },
    computed:{
      ...mapState('m_cart',['cart']),
    },
    methods:{
      radioChangeHandler(e){
        this.updateGoodsState(e)
      },
      ...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','removeGoodsById']),
     numberChangeHandler(e){
        this.updateGoodsCount(e)
     },
     //滑动操作按钮
     swipeActionClickHandler(goods){
       this.removeGoodsById(goods.goods_id)
     }
    }
  }
</script>

<style lang="scss">
  .cart-container {
    padding-bottom: 50px;
  }
.cart-title{
  height: 40px;
  display: flex;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text{
    margin-left: 10px;
  }
}
.empty-cart {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 150px;

  .empty-img {
    width: 90px;
    height: 90px;
  }

  .tip-text {
    font-size: 12px;
    color: gray;
    margin-top: 15px;
  }
}
</style>
